package com.bookmarket.service.impl;

import com.bookmarket.dao.CzgDiscountDao;
import com.bookmarket.entity.Discount;
import com.bookmarket.service.CzgIDiscountService;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;
import java.util.Map;

/**
 * @author Chen Zhaoguang
 * @date 2018/1/2 9:23
 */
@Service("czgIDiscountService")
public class CzgDiscountServiceImpl implements CzgIDiscountService {
    @Resource
    private CzgDiscountDao czgDiscountDao;
    @Override
    public Page queryLikeDiscounts(Map<String, Object> cond) {
        Page page = new Page();
        // 根据条件查询符合的用户列表记录总数，赋值给page的totalNum变量
        page.setTotal(czgDiscountDao.getLikeDiscountsCount(cond));
        // 从请求参数中获取每页大小
        int pageSize = Integer.parseInt(String.valueOf(cond.get("pageSize")));
        page.setPageSize(pageSize);
        // 从请求参数中获取当前页码
        int curPageNum = Integer.parseInt(String.valueOf(cond.get("pageNum")));
        page.setPageNum(curPageNum);
        //动态计算总页数(总记录数 除以 每页大小，加上  总页数 求余 每页大小，如果余数不为0，则 加 1，否则 加 0 )
        page.setPageNum((int)(page.getTotal()/pageSize+(page.getTotal()%pageSize==0?0:1)));
        //根据条件查询符合的用户列表记录，赋值给page的result变量
        page = PageHelper.startPage(curPageNum, pageSize);
        List list = czgDiscountDao.getLikeDiscounts(cond);
        return page;
    }



    @Override
    public int addDiscount(Map<String,Object> map) {
        return czgDiscountDao.addDiscount(map);
    }

    @Override
    public int delDiscount(Discount discount) {
        return czgDiscountDao.delDiscount(discount);
    }

    @Override
    public Discount getDiscount(int id) {
        return czgDiscountDao.getDiscount(id);
    }

    @Override
    public void editDiscount(Map<String,Object> map) {
         czgDiscountDao.editDiscount(map);
    }

    public CzgDiscountDao getCzgDiscountDao() {
        return czgDiscountDao;
    }

    public void setCzgDiscountDao(CzgDiscountDao czgDiscountDao) {
        this.czgDiscountDao = czgDiscountDao;
    }
}
